出典:Wiktionary
From Middle English knarre (“a crag; twisted rock; knot in wood”), probably from 古期英語 *cnearra, which could be related to cnotta.[1]
Cognate with Dutch knar, knor (“gnarl, knot”), German Low German Knurre, Knur (“knot in wood”), German Knorren (“knot in wood”). Related also to English knurl and gnarl.